Pls help!! Due tmr :( (also pls explain don't just give an answer tysm!!)

convert the given amount to the given unit.
5kg; Pounds

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

What is the measure of angle x? answer